4422 SPN Fault Code

Name:

Aftertreatment 2 Diesel Exhaust Fluid Conductivity

Description:

A measure of the conductivity of the diesel exhaust fluid at the sensor. The conductivity is an indication of the diesel exhaust fluid’s chemical make up.

4422 spn fault code name is Aftertreatment 2 Diesel Exhaust Fluid Conductivity. If you don't take the time to look into 4422 spn fault when it arises, it can add up quickly. One small issue like 4422 can cause a larger component to become damaged without taking the time to investigate. If you suspect your truck is suffering from one of these issues, look into replacing those small components to save money down the road.

Note: The name and description of 4422 code represents text descriptions for faults supported by another coding system and does not necessarily comply with SAE J1939. For a specific engine manufacturer's explanation for codes, please consult the engine's technical manual. See also other spn codes.

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SPNFMI Faults and Engine error code check tool. SPN code listing with names and descriptions.

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